mono/tests/stackframes-async.2.cs

   1 using System;
   2 using System.Net;
   3 using System.Diagnostics;
   4
   5 namespace stacktracetest
   6 {
   7         class MainClass
   8         {
   9                 static int frame_count = 0;
  10                 public static int Main(string[] args)
  11                 {
  12                         AsyncCallback cback = new AsyncCallback(ResolveCallback);
  13                         IAsyncResult res = Dns.BeginGetHostEntry("localhost", cback, null);
  14                         System.Threading.Thread.Sleep(2000);
  15                         /*
  16                          * seems to be broken
  17                         while (!res.IsCompleted) {
  18                                 System.Threading.Thread.Sleep(20);
  19                         };
  20                         IPHostEntry ip = Dns.EndGetHostEntry (res);
  21                         Console.WriteLine (ip);*/
  22                         if (frame_count >= 1)
  23                                 return 0;
  24                         return 1;
  25                 }
  26
  27                 public static void ResolveCallback(IAsyncResult ar)
  28                 {
  29                     Console.WriteLine("ResolveCallback()");
  30                     StackTrace st = new StackTrace();
  31                     frame_count = st.FrameCount;
  32                     for(int i = 0; i < st.FrameCount; i++) {
  33                         StackFrame sf = st.GetFrame(i);
  34                         Console.WriteLine("method: {0}", sf.GetMethod());
  35                     }
  36                     Console.WriteLine("ResolveCallback() complete");
  37                 }
  38         }
  39 }